Cognitive Dissonance
People can become verbally combative when their belief system is threatened. Cognitive dissonance is a very real phenomenon. When new info is introduced that contradicts what a person has long believed – upon which their entire belief system and consequently their behavior is based – they will try to refute that contradictory info. This can reach a crescendo until the person suddenly realizes they have to reconsider what they have long believed and stand down. Or perhaps they simply cannot tolerate the dissonance, and take steps to distance themself from the uncomfortable information, like walking away from the conversation or rejecting the person who provided the info. It doesn't require a Matrix argument to understand why & how this happens. Just basic psychology. People's entrenched beliefs, whether real or false, are intrinsic to their concept of themself, therefore their ego, their personhood. When this feeling of "who I am" is threatened, sometimes a fight-or-flight reaction occurs, complete with a rush of adrenaline hormones from their brain's limbic system.
We have all experienced this to some degree. Autists have more flexibility to adapt and consider alternative concepts and reprogram their belief system, but we too have felt threatened by uncomfortable info that we have to evaluate and decide whether to believe or disbelieve.
That's why Q told us to protect and comfort those around us. They will be experiencing a lot of psychological discomfort as disturbing info comes out. We've been there, we understand, and our role is cut out for us.
We were chosen for a reason.